4.7.1.8 PDI stops
MANTIS is equipped with the innovative
Profile Dependent Intermediate Stops
which is available on other SCUBAPRO dive
computers.
The PDI Stop optimizes the leading
compartment off gassing with a low gradient
at depth which is calculated from the current
profile.
After the dive profile has reached a level
where a PDI Stop is recommended the
MANTIS shows the PDIS symbol and depth
on the bottom row.
If no decompression is required, when
ascending to a PDI stop depth, the PDIS
symbol and depth start blinking on the
bottom row for 2 minutes and the PDIS
timer counts down on the middle row.
Once the PDIS depth has been reached,
you should stay in the zone that is +0.5m..-
3.0m / +2ft..-10ft from the shown PDIS
depth. If you descend below this zone the
PDIS counter is deactivated and MANTIS
calculates a new PDIS depth.
If decompression is already required this
information remains on the middle row.
In such a case the PDIS counter is not
shown, only the PDIS symbol and depth
are blinking on the bottom row for the 2
minutes that are recommended for staying
in the PDIS zone.
WARNING
Even when performing a PDI stop, you still
MUST perform a safety stop at 5m/15ft for 3 to
5 minutes. Performing a 3 to 5 minute stop at
5m/15ft at the end of any dive is still the best
thing you can do for your safety.
4.7.2 No-dive warning after a dive
If MANTIS detects a situation of increased
risk (due to the potential microbubble
accumulation from previous dives or a CNS
O
2
level above 40%), the NO DIVE symbol
will appear on the display to advise you
against performing another dive right away.
The suggested time interval that you should
wait prior to diving again is shown on the
dive mode display.
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